from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Pertaining to the blood or blood vessels.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Pertaining to the blood or blood vessels; also, ventral. See hemal.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. relating to the blood vessels or blood


From Greek αἷμα (blood). (Wiktionary)


  • The vascular system of Littorina littorea differs from the more familiar vertebrate pattern in a number of important respects: the heart receives primarily oxygenated blood to circulate to the body...; there is no capillary system between the arteries and veins but a series of indefinite haemal spaces, though these are not necessarily of dimensions very different from capillaries.

    How to perform CPR on a slug

  • In the caudal region, instead of ribs projecting outwardly, there are haemal processes, inclined downwards and meeting below, forming an arch, the haemal arch, containing the caudal artery and vein -- the vein ventral to the artery -- and resembling the neural arch, which contains the spinal cord above, in shape and size.

    Text Book of Biology, Part 1: Vertebrata

  • Before throwing tail and hinder part of body away, note the myotomes of body wall, the notochord and vertebral body, neural canal, and, in the tail, the haemal canal.

    Text Book of Biology, Part 1: Vertebrata

  • Now he saw far above him the backbone of the apparatus and its big ribs, "like the neural and haemal canals," said

    The War in the Air

  • Your line of credit business may be a distributional pyxie or a twofold tubman patriarchy or semiweekly an nobelist haemal in stanhope.

    Rational Review

  • “like the neural and haemal canals,” said Kurt, who had dabbled in biology.

    The War in the Air


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